diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 2b7639af4cd0..be1dbd3136ec 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -325,6 +325,48 @@ bool dc_stream_adjust_vmin_vmax(struct dc *dc, return ret; } +/** + ***************************************************************************** + * Function: dc_stream_get_last_vrr_vtotal + * + * @brief + * Looks up the pipe context of dc_stream_state and gets the + * last VTOTAL used by DRR (Dynamic Refresh Rate) + * + * @param [in] dc: dc reference + * @param [in] stream: Initial dc stream state + * @param [in] adjust: Updated parameters for vertical_total_min and + * vertical_total_max + ***************************************************************************** + */ +bool dc_stream_get_last_used_drr_vtotal(struct dc *dc, + struct dc_stream_state *stream, + uint32_t *refresh_rate) +{ + bool status = false; + + int i = 0; + + for (i = 0; i < MAX_PIPES; i++) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream == stream && pipe->stream_res.tg) { + /* Only execute if a function pointer has been defined for + * the DC version in question + */ + if (pipe->stream_res.tg->funcs->get_last_used_drr_vtotal) { + pipe->stream_res.tg->funcs->get_last_used_drr_vtotal(pipe->stream_res.tg, refresh_rate); + + status = true; + + break; + } + } + } + + return status; +} + bool dc_stream_get_crtc_position(struct dc *dc, struct dc_stream_state **streams, int num_streams, unsigned int *v_pos, unsigned int *nom_v_pos) |